2003 Yamaha YZ 125 "motorcycle engine cuts throttle opened" Questions

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...engine cuts out. have cleaned jets in carb made no difference. Any suggestions? bike will only run on full choke as soon as throttle is opened the engine cuts out. sounds like a carb overhaul time as ...

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cuts out with throttle wide open and FI light flickers on. The ride started out normal and after an hour of riding the engine started cutting out on wide open throttle and the fi light flickers on and

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Question about Yamaha YZ 125 Motorcycles

1 Answer

...cuts out when open throttle my moped starts fine but after riding it at open throttle last week it simply shut off and as if the engine was flooded or something now it start but i cant open the ...

Question about Yamaha YZ 125 Motorcycles

1 Answer

...cuts out, no throttle response How can I cure? I need more information. By "no throttle response" what do you mean? The engine will not rev or it just doesn't respond well when you open the throttle. ...

...when open throttle can you check the fuel vacuum line is fitted and good seal ? also check the lights work etc while engine is at idle and don't cut out.. does it start straight up after it cuts out

...out or fouling (run engine open throttle until high revs snd cut ignition while closing throttle and pulling clutch in to stop engine. Check plug lead. Change plug. Ignition grounded. All the ...

Question about Yamaha YZ 125 Motorcycles

1 Answer

...of cooling .After check cooling system when engine work open the radiator and check for cooling fluid moving or not when you throttle .Or may be have air in the cooling system and make air

engine? I let off the throttle and the bike sort of chugged and spluttered along at about 20mph to 30 mph as though it was only firing on 1, 2 or 3 cylinders. Keeping the throttle open slightly alowed

Question about Yamaha YZ 125 Motorcycles

1 Answer

...cuts out when throttle is opened.when engine is warm engine runs very lumpy will not rev unless iwork the throttle backwards and forwards not firing on all cylinders smells of petrol ,have changed ...

Question about Yamaha YZ 125 Motorcycles

1 Answer

...cuts out when choke put back in. Also whilst running, when trying to open the throttle this also makes the engine cut out instantly. have removed the carb and cleaned jets etc, replaced fuel with ...

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